The summary of this error. According to a report, the problem occurs because the 32-bit call emulation layer does not check whether the call is truly in the Syscall table. Ben Hawkes, who discovered the problem, says the vulnerability can be
Processor architecture
I wish that processor architecture was not so committed to a obsolete model of software. For example, it has become clear over the last few years that the sloppy shared memory thread model of programming has multiple drawbacks. Sharing of
memories
For some reason, all copies of an early variant of RTLinux called “myrtlinux” by its Italian “author” have disappeared from the web, but thanks to some archives we can find some fragments from old days. For example, within a year
Virtualization and power use and spreadsheet games (updated)
Here’s a thought experiment. Suppose each server uses X watts idle and X+Y watts busy. If you have N programs that currently run on N servers that are Z% idle then in the best case you really only need D=
Microsoft by the numbers
From correspondent AY: 150,000,000 Number of Windows 7 licenses sold, making Windows 7 by far the fastest growing operating system in history. <10 Percentage of US netbooks running Windows in 2008. 96 Percentage of US netbooks running Windows in 2009.
Doing it wrong: Poul-Henning Kamp
Kamp writes to explain that virtual memory behavior can be important for program performance. That is, he explains From the programmer’s standpoint, the working set of information is the smallest collection of information that must be present in main memory
Process algebra reconsidered
Paper is here. The following incorrect claim is not unusual in the process algebra literature. Basically, what is missing [in classical automata theory] is the notion of interaction: during the execution from initial state to fi nal state, a system may
R.L. Moore topologist and racist
If you read this down to the bottom you get a little hint, but you have to read something like this to understand what that little hint means. In graduate school she was very much alone, though she was a
out of the loop in silicon valley
NYTimes. But when she was raising money for Crimson Hexagon, a start-up company she co-founded in 2007, she recalls one venture capitalist telling her that it didn’t matter that she didn’t have business cards, because all they would say was